Seneca in numbers
- Coordinates
- 41.3111, -88.6098
- Elevation
- 155 m above sea level
- Population
- 2 292
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1019 km away
- Same name
- 22 more places in the world share this name
What time is it in Seneca, Illinois, United States
Use this page to see what time it is in Seneca, Illinois, United States — the America/Chicago zone applies there (−5).
Seneca, United States
Tuesday, 27 October 2026
UTC−5 · America/Chicago
Local time in Seneca
UTC−5 · daylight saving time is active
Local time in Seneca, Illinois.
The sun today
Sunrise 7:21 AM Solar noon 12:39 PM Sunset 5:58 PM Daylight 10 h 37 min Night 13 h 23 min Civil twilight 6:52 AM – 6:26 PM
Weather in Seneca right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Seneca and its neighbours
Postal codes
- 16346
- 29672
- 29678
- 29679
- 54654
- 57473
- 61360
- 64865
- 66538
- 69161
- 97873
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Illinois
Other places named Seneca
- Seneca South Carolina, United States
- Seneca Missouri, United States
- Seneca Kansas, United States
- Seneca Pennsylvania, United States
- Seneca Oregon, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Langham — 6.5 km
- Marseilles — 8.5 km
- Stavanger — 9.7 km
- Wauponsee — 10.5 km
- Stockdale — 10.7 km
- Bradley Subdivision — 13.0 km
Seneca: clock, sun and surroundings
Sunrise for Seneca today is set at 7:21 AM, sunset at 5:58 PM. Daylight covers 10 h 37 min.
The time given for Seneca holds for nearby Langham and Marseilles too.
Seneca works with 11 postal codes.
Time in Seneca runs on America/Chicago, which is UTC−5. Does daylight saving time apply here? Yes.
Questions and answers
- Which time zone is observed in Seneca?
- Seneca observes the America/Chicago time zone, with an offset of −5.
- Is daylight saving time in force in Seneca?
- Daylight saving in Seneca: Yes.
- What time will the sun set in Seneca today?
- Today it sets at 5:58 PM.